JP2001275314A - ロータ磁石およびモータおよびステッピングモータ - Google Patents

ロータ磁石およびモータおよびステッピングモータ

Info

Publication number: JP2001275314A
Authority: JP; Japan
Prior art keywords: magnet; rotor; magnetic powder; rotor magnet; motor
Prior art date: 2000-03-24
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

JP2000084649A

Other languages

English (en)

Japanese (ja)

Other versions

JP2001275314A5 (2

Inventor

Masami Aizawa

正美相澤

Akihiro Ito

彰浩伊藤

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Seiko Precision Inc

Original Assignee

Seiko Precision Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2000-03-24

Filing date

2000-03-24

Publication date

2001-10-05

2000-03-24 Application filed by Seiko Precision Inc filed Critical Seiko Precision Inc

2000-03-24 Priority to JP2000084649A priority Critical patent/JP2001275314A/ja

2001-01-23 Priority to US09/767,459 priority patent/US6900559B2/en

2001-03-14 Priority to CN01111354.5A priority patent/CN1315772A/zh

2001-03-15 Priority to DE10112464A priority patent/DE10112464A1/de

2001-10-05 Publication of JP2001275314A publication Critical patent/JP2001275314A/ja

2006-11-09 Publication of JP2001275314A5 publication Critical patent/JP2001275314A5/ja

Status Abandoned legal-status Critical Current

Links

239000006247 magnetic powder Substances 0.000 claims abstract description 25
239000011230 binding agent Substances 0.000 claims abstract description 8
229920005989 resin Polymers 0.000 claims description 5
239000011347 resin Substances 0.000 claims description 5
229910001172 neodymium magnet Inorganic materials 0.000 abstract description 9
229910000938 samarium–cobalt magnet Inorganic materials 0.000 abstract description 6
238000000465 moulding Methods 0.000 abstract description 3
239000004952 Polyamide Substances 0.000 abstract 1
229920002647 polyamide Polymers 0.000 abstract 1
239000003973 paint Substances 0.000 description 12
239000011248 coating agent Substances 0.000 description 11
238000000576 coating method Methods 0.000 description 11
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 8
229910019142 PO4 Inorganic materials 0.000 description 6
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
239000010452 phosphate Substances 0.000 description 6
KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 5
ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 3
238000005260 corrosion Methods 0.000 description 3
230000007797 corrosion Effects 0.000 description 3
239000003822 epoxy resin Substances 0.000 description 3
230000004907 flux Effects 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
229920000647 polyepoxide Polymers 0.000 description 3
230000002265 prevention Effects 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
AWWAHRLLQMQIOC-UHFFFAOYSA-N [Fe].[Sm] Chemical compound [Fe].[Sm] AWWAHRLLQMQIOC-UHFFFAOYSA-N 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
AOBAVABSFWTQIX-UHFFFAOYSA-L hydrogen phosphate;iron(2+) Chemical group [Fe+2].OP([O-])([O-])=O AOBAVABSFWTQIX-UHFFFAOYSA-L 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
229910001337 iron nitride Inorganic materials 0.000 description 2
238000004898 kneading Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
239000002245 particle Substances 0.000 description 2
229920006122 polyamide resin Polymers 0.000 description 2
239000000843 powder Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
229910052725 zinc Inorganic materials 0.000 description 2
239000011701 zinc Substances 0.000 description 2
LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 2
229910000165 zinc phosphate Inorganic materials 0.000 description 2
229910052772 Samarium Inorganic materials 0.000 description 1
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
PRQMIVBGRIUJHV-UHFFFAOYSA-N [N].[Fe].[Sm] Chemical compound [N].[Fe].[Sm] PRQMIVBGRIUJHV-UHFFFAOYSA-N 0.000 description 1
229910000828 alnico Inorganic materials 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000002131 composite material Substances 0.000 description 1
230000005284 excitation Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000007654 immersion Methods 0.000 description 1
229910052745 lead Inorganic materials 0.000 description 1
239000000696 magnetic material Substances 0.000 description 1
230000005415 magnetization Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
238000000034 method Methods 0.000 description 1
239000003607 modifier Substances 0.000 description 1
230000005405 multipole Effects 0.000 description 1
239000000049 pigment Substances 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229910052761 rare earth metal Inorganic materials 0.000 description 1
150000002910 rare earth metals Chemical class 0.000 description 1
KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
238000005245 sintering Methods 0.000 description 1
229910000679 solder Inorganic materials 0.000 description 1
238000004804 winding Methods 0.000 description 1
229910000859 α-Fe Inorganic materials 0.000 description 1

Classifications

- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Permanent Field Magnets Of Synchronous Machinery (AREA)

JP2000084649A 2000-03-24 2000-03-24 ロータ磁石およびモータおよびステッピングモータ Abandoned JP2001275314A (ja)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP2000084649A JP2001275314A (ja)	2000-03-24	2000-03-24	ロータ磁石およびモータおよびステッピングモータ
US09/767,459 US6900559B2 (en)	2000-03-24	2001-01-23	Rotor magnet, motor and stepping motor
CN01111354.5A CN1315772A (zh)	2000-03-24	2001-03-14	转子磁体、电动机和步进电动机
DE10112464A DE10112464A1 (de)	2000-03-24	2001-03-15	Magnet, Verfahren zu seiner Herstellung und ihn verwendender Motor

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2000084649A JP2001275314A (ja)	2000-03-24	2000-03-24	ロータ磁石およびモータおよびステッピングモータ

Publications (2)

Publication Number	Publication Date
JP2001275314A true JP2001275314A (ja)	2001-10-05
JP2001275314A5 JP2001275314A5 (2)	2006-11-09

Family

ID=18601101

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2000084649A Abandoned JP2001275314A (ja)	2000-03-24	2000-03-24	ロータ磁石およびモータおよびステッピングモータ

Country Status (4)

Country	Link
US (1)	US6900559B2 (2)
JP (1)	JP2001275314A (2)
CN (1)	CN1315772A (2)
DE (1)	DE10112464A1 (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2021077697A (ja) *	2019-11-06	2021-05-20	トヨタ自動車株式会社	希土類磁石の製造方法

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* Cited by examiner, † Cited by third party
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US6664689B2 (en) *	2001-08-06	2003-12-16	Mitchell Rose	Ring-shaped motor core with toroidally-wound coils
JP2004257817A (ja) *	2003-02-25	2004-09-16	Ntn Corp	磁気エンコーダおよびそれを備えた車輪用軸受
US6765319B1 (en)	2003-04-11	2004-07-20	Visteon Global Technologies, Inc.	Plastic molded magnet for a rotor
US6982532B2 (en)	2003-12-08	2006-01-03	A. O. Smith Corporation	Electric machine
JP2006158136A (ja) *	2004-11-30	2006-06-15	Nidec Sankyo Corp	小型モータ
DE102006019614B4 (de) *	2006-04-25	2010-06-17	Vacuumschmelze Gmbh & Co. Kg	Alterungsbeständiger Dauermagnet aus einem Legierungspulver und Verfahren zu seiner Herstellung
ATE523944T1 (de) *	2007-10-31	2011-09-15	Ebm Papst St Georgen Gmbh & Co	Elektromotor
CN103370561B (zh) *	2011-02-21	2016-04-27	株式会社日立制作所	磁齿轮机构
DE102011054955B4 (de) *	2011-10-31	2025-10-02	Minebea Mitsumi Inc.	Rotorbaugruppe eines Gleichstrommotors
JP5732440B2 (ja) *	2012-08-08	2015-06-10	日立アプライアンス株式会社	洗濯乾燥機および洗濯乾燥機ファン駆動用電動機
KR101461596B1 (ko) *	2012-12-17	2014-11-20	엘지이노텍 주식회사	모터의 회전자
DE102013201692A1 (de) *	2013-02-01	2014-08-07	Magnetworld AG	Fluidpumpe
JP2019080056A (ja) *	2017-10-20	2019-05-23	キヤノン株式会社	複合磁性材料を含む磁石およびそれを用いたモータ
CN110149034B (zh) *	2019-05-07	2020-11-20	宁波科星材料科技有限公司	一种永磁转子组件的制备方法
JP2023032622A (ja) *	2021-08-27	2023-03-09	ミネベアミツミ株式会社	スピンドルモータおよびハードディスク駆動装置

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EP0552365B1 (en) *	1990-10-12	1996-11-06	Seiko Epson Corporation	Method of protecting the magnets of a permanent magnetic rotor against corrosive agents
JPH04338603A (ja) *	1991-05-15	1992-11-25	Tdk Corp	磁石粉末およびその製造方法ならびに樹脂ボンディッド磁石
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JP3984681B2 (ja) *	1997-04-23	2007-10-03	Ｔｄｋ株式会社	ボンド磁石、磁石部品およびその製造方法
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- 2000-03-24 JP JP2000084649A patent/JP2001275314A/ja not_active Abandoned
2001
- 2001-01-23 US US09/767,459 patent/US6900559B2/en not_active Expired - Fee Related
- 2001-03-14 CN CN01111354.5A patent/CN1315772A/zh active Pending
- 2001-03-15 DE DE10112464A patent/DE10112464A1/de not_active Withdrawn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2021077697A (ja) *	2019-11-06	2021-05-20	トヨタ自動車株式会社	希土類磁石の製造方法
JP7259705B2 (ja)	2019-11-06	2023-04-18	トヨタ自動車株式会社	希土類磁石の製造方法

Also Published As

Publication number	Publication date
DE10112464A1 (de)	2001-10-11
US20010024068A1 (en)	2001-09-27
US6900559B2 (en)	2005-05-31
CN1315772A (zh)	2001-10-03

Legal Events

Date	Code	Title	Description
2006-09-27	A521	Request for written amendment filed	Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060926
2006-09-27	A621	Written request for application examination	Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060926
2009-10-16	A131	Notification of reasons for refusal	Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091015
2009-10-16	A977	Report on retrieval	Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20091015
2009-10-28	A762	Written abandonment of application	Free format text: JAPANESE INTERMEDIATE CODE: A762 Effective date: 20091027

Publication	Publication Date	Title
JP2001275314A (ja)	2001-10-05	ロータ磁石およびモータおよびステッピングモータ
KR100746908B1 (ko)	2007-08-07	내식성 희토류 자석
JP2000208321A (ja)	2000-07-28	プラスチック磁石成形体
JP2003244870A (ja)	2003-08-29	Ｄｃブラシモータ装置及びその永久磁石
JP4525678B2 (ja)	2010-08-18	自己組織化希土類−鉄系ボンド磁石の製造方法とそれを用いたモータ
KR100981218B1 (ko)	2010-09-10	영구자석 회전자 및 이것을 사용한 모터
JP2000060080A (ja)	2000-02-25	永久磁石型モ―タその他の永久磁石応用装置
JP2001272250A (ja)	2001-10-05	磁化パターンを有する被検出体および磁気エンコーダ
US8044547B2 (en)	2011-10-25	Radial-direction gap type magnet motor
JP2001037124A (ja)	2001-02-09	回転子
JP2003124012A (ja)	2003-04-25	複合磁石、複合磁性材料、および、モータ
JPS60153109A (ja)	1985-08-12	永久磁石体
JPH0422007B2 (2)	1992-04-15
JP3680648B2 (ja)	2005-08-10	永久磁石型モータその他の永久磁石応用装置
JP5660485B2 (ja)	2015-01-28	積層磁石膜可動子
JP3057593B2 (ja)	2000-06-26	希土類−鉄系樹脂結合型磁石およびその製造方法
JP2001185412A (ja)	2001-07-06	異方性ボンド磁石
JP2001037107A (ja)	2001-02-09	モータ用ヨーク
JP2003151825A (ja)	2003-05-23	マグネットローラ
JP4089220B2 (ja)	2008-05-28	永久磁石モータ
JP2006080115A (ja)	2006-03-23	異方性希土類−鉄系ボンド磁石
JP2005148499A (ja)	2005-06-09	マグネットローラ
JPH0834165B2 (ja)	1996-03-29	希土類・鉄系樹脂結合型磁石
JP2980122B2 (ja)	1999-11-22	希土類樹脂結合型磁石の製造方法
JP3023512B2 (ja)	2000-03-21	強磁性材料